Electronic cigarette

Abstract

Disclosed in the present application is an electronic cigarette, including a cigarette stem and a cartridge, in which a battery and a PCB board are provided in the cigarette stem, an atomizer configured for a atomization of e-liquid is provided in the cartridge, the atomizer includes a ceramic atomizing core, a heating wire configured for heating the e-liquid and a temperature sensing element configured for a temperature detection of the heating wire, the heating wire and the temperature sensing element are provided on the ceramic atomizing core, the heating wire is electrically connected to the battery, the temperature sensing element is electrically connected to the PCB board.

What is claimed is: 
     
         1 . An electronic cigarette, comprising a cigarette stem and a cartridge, wherein a battery and a printed circuit board (PCB) are provided in the cigarette stem, an atomizer configured for atomizing e-liquid is provided in the cartridge, the atomizer comprises a ceramic atomizing core, a heating wire configured for heating the e-liquid and a temperature sensing element configured for detecting a temperature of the heating wire, the heating wire and the temperature sensing element are provided on the ceramic atomizing core, the heating wire is electrically connected to the battery, and the temperature sensing element is electrically connected to the PCB. 
     
     
         2 . The electronic cigarette according to  claim 1 , wherein the cartridge is provided with a plurality of electrical pins configured to connect to the PCB, the plurality of electrical pins are arranged at intervals, two ends of the heating wire are separately provided with a conductive contact, and the conductive contacts provided on the two ends of the heating wire are fixed on the ceramic atomizing core and separately electrically connected to two of the plurality of electrical pins. 
     
     
         3 . The electronic cigarette according to  claim 2 , wherein the ceramic atomizing core is provided with a plurality of conductive pins, the plurality of conductive pins are in one-to-one correspondence to the plurality of electrical pins, and one conductive contact is connected to one electrical pin of the plurality of electrical pins via one conductive pin of the plurality of conductive pins. 
     
     
         4 . The electronic cigarette according to  claim 3 , wherein the temperature sensing element comprises a sensing element body, a positive pin and a negative pin, the ceramic atomizing core is provided with a holding groove configured to contain the sensing element body, the sensing element body is in insertion connection with the holding groove, and the positive pin and the negative pin are separately electrically connected to two of the plurality of conductive pins. 
     
     
         5 . The electronic cigarette according to  claim 4 , wherein the cartridge further comprises a casing, two limit tubes are provided in the casing, individual electrical pins of the plurality of electrical pins are separately positioned in the two limit tubes, ends of the positive pin and the negative pin away from the sensing element body are separately positioned in the two limit tubes and abut against and electrically connect to the plurality of electrical pins. 
     
     
         6 . The electronic cigarette according to  claim 4 , wherein three conductive pins of the plurality of conductive pins are arranged side by side at regular intervals, and the holding groove is positioned in a sidewall of the ceramic atomizing core. 
     
     
         7 . The electronic cigarette according to  claim 4 , wherein four conductive pins of the plurality of conductive pins are arranged side by side at regular intervals, the holding groove is positioned in a sidewall of the ceramic atomizing core, and the positive pin and the negative pin are separately electrically connected to two middle conductive pins of the four conductive pins. 
     
     
         8 . The electronic cigarette according to  claim 4 , wherein the holding groove and the plurality of conductive pins are located in a same end face, four conductive pins of the plurality of conductive pins are staggered with each other at regular intervals, and the positive pin and the negative pin are separately electrically connected to two middle conductive pins of the four conductive pins. 
     
     
         9 . The electronic cigarette according to  claim 4 , wherein the ceramic atomizing core is further provided with two connection contacts configured for electrical connection with the temperature sensing element, and the positive pin and the negative pin are connected with two connection contacts, respectively. 
     
     
         10 . The electronic cigarette according to  claim 2 , wherein the atomizer further comprises a spring clip configured for fixing the temperature sensing element, the ceramic atomizing core is provided with a clamping part, the spring clip is in snap connection with the clamping part, and the temperature sensing element is mounted on the spring clip and electrically connected to a power supply.